Home / 18,531.25-27,799.76-6,222.13

Finding the Fourth Proportional to 18,531.25, 27,799.76 and 6,222.13

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Solution

The fourth proportional to 18,531.25, 27,799.76 and 6,222.13 is: 9,334.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,531.25 : 27,799.76 = 6,222.13 : x
  2. Step 2: Convert to fraction form
    18,531.25/27,799.76 = 6,222.13/x
  3. Step 3: Cross multiply
    18,531.25x = 27,799.76 × 6,222.13
  4. Step 4: Simplify right side
    18,531.25x = 172,973,720.69
  5. Step 5: Solve for x
    x = 172,973,720.69/18,531.25
  6. Step 6: Final answer
    x = 9,334.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.